Vintage 70s Roberta Black Polka Dot Maxi Wrap Dress Ruffles Open Back Hostess M

Vintage 70s black polka dot maxi wrap dress with ruffle trim and open cutout back by Juniors by Roberta. About a medium, see measurements. No fabric label, feels like cotton. Great preworn condition. Approximate flat measurements: Armpit to armpit: 17.5” Waist: 13.5” Hips: 17” Length: 55” I do my best to describe the era and provenance of items but at times I may be wrong. Please ask questions if you need confirmation of era or condition of item. Vintage sizing is different from modern sizing. Always check measurements against a similar item in your wardrobe. Remember to consider whether the fabric has stretch.